BS-AU-252-1993 ISO-8123-1991.pdf
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1、BRITISH STANDARD AUTOMOBILE SERIES BS AU 252:1993 ISO 8123:1991 Specification for Diametral pitch starter motor pinions for road vehicles Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:07:16 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 252:1993 This Brit
2、ish Standard, having been prepared under the direction of the Automobile Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15 July 1993 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference AUE/13
3、 Draft for comment 83/73908 DC ISBN 0 580 21877 5 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Automobile Standards Policy Committee (AUE/-) to Technical Committee AUE/13, upon which the following bodies were represented: British Rail
4、ways Board Bus and Coach Council Department of Health Department of Transport Department of Transport (Transport Research Laboratory) Freight Transport Association Health and Safety Executive Institute of Road Transport Engineers Lloyds Register of Shipping Ministry of Defence Road Haulage Associati
5、on Ltd. Society of Motor Manufacturers and Traders Ltd. Coopted members Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:07:16 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 252:1993 BSI 10-1999i Conte
6、nts Page Committees responsibleInside front cover National forewordii 1Scope1 2Dimensions1 Figure 11 Table 12 List of referencesInside back cover Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:07:16 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 252:1993 i
7、i BSI 10-1999 National foreword This British Standard has been prepared under the direction of the Automobile Standards Policy Committee. It is identical with ISO 8123:1991 Road vehicles Diametral pitch starter motor pinions, which was prepared by Technical Committee ISO/TC22 of the International Or
8、ganization for Standardization (ISO) and in the development of which the United Kingdom played an active part. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a Britis
9、h Standard does not of itself confer immunity from legal obligations. Cross-reference International StandardCorresponding British Standard ISO 701:1976BS 2519 Glossary for gears Part 2:1976 Notation (Identical) Summary of pages This document comprises a front cover, an inside front cover, pages i an
10、d ii, pages 1 and 2, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: London South Bank University, London South Bank University
11、, Sat Dec 09 02:07:16 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 252:1993 BSI 10-19991 1 Scope This International Standard specifies the diametral pitches, pressure angles, number of teeth and other tooth characteristics which are necessary to ensure interchangeability of starter motor pinions
12、 used for starter motors mounted on reciprocating internal combustion engines for road vehicles. 2 Dimensions Detailed tooth limit dimensions and the base tangent length as the inspection value, W2, are given in Table 1 for diametral pitch starter motor pinions. NOTE 1The symbols, which are in accor
13、dance with ISO 701:1976, International gear notation Symbols for geometrical data, are illustrated in Figure 1. Figure 1 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:07:16 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 252:1993 2 BSI 10-1999 Table 1 Modu
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